Instructional wikis

1. Introducing wikis to others - a professional devlopment wiki: http://pdpresentertoolkit.wikispaces.com/
2. Screencasting in the classroom: http://eduscreencasting.wikispaces.com/

Resource wikis

1. Eva Wagner's Houghton-Mifflin Tech Resources Wiki. This wiki has loads of lesson plans: http://hmtech.wikispaces.com
2. Eva Wagner's Technology Integration Projects for Grades K-3. This has loads of classroom projects that link technology with the curriculum. http://techtips.wikispaces.com and
http://techtips.wikispaces.com/10+Best+Educational+Sites+for+K-3+Kids
3. A 5th Grade project wiki from Karen Kliegman: https://survivormd.wikispaces.com/
4. Wikis for Social Change recommended by Dan Rezac: http://global-poverty.wikispaces.com/ & http://theglobalwarmingproject.wikispaces.com/

Creative writing wikis

1. Flip video in education: http://flipvideo.wikispaces.com/